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SF MARATHON 1ST HALF 2026

Gemma Ross

Bib: 16470•F•Age: 28

Seaside, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Top 47%
Division (F25-29)
#0 / 674
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
10:37/mi
21:15
→ flat
4M
10:41/mi
42:36
↑ 67↓ 69
6M
10:22/mi
1:03:21
↑ 1231.1%
8M
11:52/mi
1:27:06
↑ 166↓ 531.1%
9.6M
9:11/mi
1:41:48
↑ 68↓ 1931.5%
10M
19:59/mi
1:49:47
↓ 241.1%
10.5M
5:34/mi
1:52:34
↓ 732.7%
12M
16:27/mi
2:17:15
↑ 2803.2%
Finish· 13.11 mi
11:56/mi
2:30:29
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:03:21
Pace10:34 /mi
2nd Half
Distance7.11 mi
Time1:27:08
Pace12:15 /mi
📊Positive Split: 37.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:59:0721:1510:3721:15
10:37
-
4M
4.00 mi07:20:2842:3610:3921:21
10:41
+0:04
6M
6.00 mi07:41:131:03:2110:3420:45
10:22
-0:19
8M
8.00 mi08:04:581:27:0610:5323:45
11:52
+1:30
9.6M
9.60 mi08:19:401:41:4810:3614:42
9:11
-2:41
10M
10.00 mi08:27:391:49:4710:597:59
19:59
+10:48
10.5M
10.50 mi08:30:261:52:3410:432:47
5:34
-14:25
12M
12.00 mi08:55:072:17:1511:2624:41
16:27
+10:53
Finish
13.11 mi09:08:212:30:2911:2913:14
11:56
-4:31

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

5:34 /mi

Average Pace

11:29 /mi

Slowest Pace

19:59 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47

2% of race

Time at Steady Pace

1:55:02

76% of race

Time at Slower Pace

32:40

22% of race

Average Pace: 11:29 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi06:59:0721:1510:3721:15
10:37
#4134
4M
4.00 mi07:20:2842:3610:3921:21
10:41
#3915
6M
6.00 mi07:41:131:03:2110:3420:45
10:22
#3588
8M
8.00 mi08:04:581:27:0610:5323:45
11:52
#3813
9.6M
9.60 mi08:19:401:41:4810:3614:42
9:11
#3635
10M
10.00 mi08:27:391:49:4710:597:59
19:59
#3611
10.5M
10.50 mi08:30:261:52:3410:432:47
5:34
#3627
12M
12.00 mi08:55:072:17:1511:2624:41
16:27
#3811
Finish
13.11 mi09:08:212:30:2911:2913:14
11:56
#3900
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 55%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:46

Segment Time

11:58/mi

Pace

0.90 mi

Distance

Overall

3625

Women

1288

Division

324

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi413414703594514(Top 69%)1779(Top 61%)432(Top 64%)
4M4.00 mi2.00 mi3915+2191360+110336+233804(Top 58%)1317(Top 45%)329(Top 49%)
6M6.00 mi2.00 mi3588+3271219+141304+323124(Top 48%)991(Top 34%)247(Top 37%)
8M8.00 mi2.00 mi3813-2251306-87326-224440(Top 68%)1610(Top 55%)382(Top 57%)
9.6M9.60 mi1.60 mi3635+1781232+74308+182978(Top 45%)1110(Top 38%)274(Top 41%)
10M10.00 mi0.40 mi3611+241225+73083468(Top 53%)1222(Top 42%)309(Top 46%)
10.5M10.50 mi0.50 mi3627-161230-5311-34549(Top 69%)1749(Top 60%)438(Top 65%)
12M12.00 mi1.50 mi3811-1841330-100334-234514(Top 69%)1779(Top 61%)432(Top 64%)
Finish13.11 mi1.11 mi3900-891389-59347-134865(Top 74%)1998(Top 68%)489(Top 73%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 69%
~flat
+5ft-3ft

Overall

4514

Females

1779

F25-29

432

2M→4M

2.0 - 4.0 mi

Top 58%
×4story building
+67ft-69ft

Overall

3804

Females

1317

F25-29

329

4M→6M

4.0 - 6.0 mi

Top 48%
×9story building
+123ft-9ft

Overall

3124

Females

991

F25-29

247

6M→8M

6.0 - 8.0 mi

Top 68%
×12story building
+166ft-53ft

Overall

4440

Females

1610

F25-29

382

8M→9.6M

8.0 - 9.6 mi

Top 45%
×13story building
+68ft-193ft

Overall

2978

Females

1110

F25-29

274

9.6M→10M

9.6 - 10.0 mi

Top 53%
×2story building
+0ft-24ft

Overall

3468

Females

1222

F25-29

309

10M→10.5M

10.0 - 10.5 mi

Top 69%
×6story building
+1ft-73ft

Overall

4549

Females

1749

F25-29

438

10.5M→12M

10.5 - 12.0 mi

Top 69%
×21story building
+280ft-26ft

Overall

4514

Females

1779

F25-29

432

12M→Finish

12.0 - 13.1 mi

Top 74%
×7story building
+14ft-89ft

Overall

4865

Females

1998

F25-29

489

Passing Analysis

Category:
Athletes Passed
1035*
Passed By
801
Net Change
+234
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4134
2M → 4M30182+219#4134#3915
4M → 6M337*10+327#3915#3588
6M → 8M45*270-225#3588#3813
8M → 9.6M23355+178#3813#3635
9.6M → 10M5430+24#3635#3611
10M → 10.5M319-16#3611#3627
10.5M → 12M32*216-184#3627#3811
12M → Finish30*119-89#3811#3900
TOTALS1035*801+234

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events